How to get rid of extra messages in cache.log?

Question

Squid

There are 2 proxy servers. Both have a squid with NTLM authentication. On the first one, only errors get into cache.log, but on the second, all authentication attempts. Falls there like this.
NTLMSSP Sign/Seal - Initialising with flags: Got
NTLMSSP neg_flags=0xa2088205 NTLMSSP
Sign/Seal - Initialising with flags: Got
NTLMSSP neg_flags=0xa2088205 : Got NTLMSSP neg_flags=0xa2088205 Got NTLMSSP neg_flags=0xa2088207 Everything works. Who can tell in which direction to dig to get rid of these messages?

Answer 1

Found it myself. In samba config log level=0